However, because oral medications must pass through the digestive system, to have the same efficacy as IV medications oral antibiotics must have high âbioavailabilityâ â the percentage of the drug that reaches the blood. Drugs administered via PICC lines have, by definition, 100 percent bioavailability.
A: Bactrim is a type of antibiotic used to treat a range of bacterial infections in the body according to WebMD. Physicians prescribe Bactrim to treat certain types of sexually transmitted diseases, urinary tract infections, respiratory illnesses, and various other infections.
Bactrim DS (Trimethoprim/Sulfamethoxazole) is used to treat a wide variety of bacterial based infections, however its primary use is to fight UTI (urinary tract infections).It may also be prescribed to treat chronic bronchitis and traveller`s diarrhea which is caused by E. Coli. 1  Product details.actrim DS (Trimethoprim/Sulfamethoxazole) is used to treat a wide variety of bacterial based infections, however its primary use is to fight UTI (urinary tract infections).